lighttpd 1.4.x
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74 lines
2.1 KiB
74 lines
2.1 KiB
#include "first.h" |
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#include "fdevent_impl.h" |
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#include "fdevent.h" |
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#include "buffer.h" |
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#include <unistd.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#ifdef FDEVENT_USE_LINUX_EPOLL |
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# include <sys/epoll.h> |
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__attribute_cold__ |
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static void fdevent_linux_sysepoll_free(fdevents *ev) { |
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close(ev->epoll_fd); |
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free(ev->epoll_events); |
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} |
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static int fdevent_linux_sysepoll_event_del(fdevents *ev, fdnode *fdn) { |
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return epoll_ctl(ev->epoll_fd, EPOLL_CTL_DEL, fdn->fd, NULL); |
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} |
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static int fdevent_linux_sysepoll_event_set(fdevents *ev, fdnode *fdn, int events) { |
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int op = (-1 == fdn->fde_ndx) ? EPOLL_CTL_ADD : EPOLL_CTL_MOD; |
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int fd = fdn->fde_ndx = fdn->fd; |
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struct epoll_event ep; |
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ep.events = events | EPOLLERR | EPOLLHUP; |
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ep.data.ptr = fdn; |
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return epoll_ctl(ev->epoll_fd, op, fd, &ep); |
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} |
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static int fdevent_linux_sysepoll_poll(fdevents * const ev, int timeout_ms) { |
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int n = epoll_wait(ev->epoll_fd, ev->epoll_events, ev->maxfds, timeout_ms); |
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server * const srv = ev->srv; |
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for (int i = 0; i < n; ++i) { |
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fdnode * const fdn = (fdnode *)ev->epoll_events[i].data.ptr; |
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int revents = ev->epoll_events[i].events; |
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if ((fdevent_handler)NULL != fdn->handler) { |
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(*fdn->handler)(srv, fdn->ctx, revents); |
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} |
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} |
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return n; |
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} |
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__attribute_cold__ |
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int fdevent_linux_sysepoll_init(fdevents *ev) { |
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force_assert(EPOLLIN == FDEVENT_IN); |
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force_assert(EPOLLPRI == FDEVENT_PRI); |
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force_assert(EPOLLOUT == FDEVENT_OUT); |
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force_assert(EPOLLERR == FDEVENT_ERR); |
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force_assert(EPOLLHUP == FDEVENT_HUP); |
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#ifdef EPOLLRDHUP |
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force_assert(EPOLLRDHUP == FDEVENT_RDHUP); |
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#endif |
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ev->type = FDEVENT_HANDLER_LINUX_SYSEPOLL; |
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ev->event_set = fdevent_linux_sysepoll_event_set; |
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ev->event_del = fdevent_linux_sysepoll_event_del; |
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ev->poll = fdevent_linux_sysepoll_poll; |
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ev->free = fdevent_linux_sysepoll_free; |
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if (-1 == (ev->epoll_fd = epoll_create(ev->maxfds))) return -1; |
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fdevent_setfd_cloexec(ev->epoll_fd); |
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ev->epoll_events = malloc(ev->maxfds * sizeof(*ev->epoll_events)); |
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force_assert(NULL != ev->epoll_events); |
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return 0; |
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} |
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#endif
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